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iVinArrow [24]
3 years ago
8

Select TWO values of x that are roots

Mathematics
2 answers:
faltersainse [42]3 years ago
4 0

Answer:

answers are C and F above on Apex

Step-by-step explanation:

Sauron [17]3 years ago
3 0

x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\\\y=x^2+3x+5\\\\a=1;\ b=3;\ c=5\\\\b^2-4ac=3^2-4(1)(5)=9-20=-11\\\\x_1=\dfrac{-3-\sqrt{-11}}{2\cdot1}=\dfrac{-3-\sqrt{-11}}{2}\\\\x_2=\dfrac{-3+\sqrt{-11}}{2}

Answer: A and B.

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